package com.mini.cn.goods.servlet;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Created by fly on 17/5/8.
 * spring的工具类
 * 可以拿到bean
 */

@Component("SpringContext")
public class SpringContext implements ApplicationContextAware {

    public static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext)
            throws BeansException {
        SpringContext.applicationContext = applicationContext;
    }


    public static Object getBean(String name) {
        return applicationContext.getBean(name);
    }

    public static <T> T getBean(String name, Class<T> requiredType) {
        return applicationContext.getBean(name, requiredType);
    }

    public static boolean containsBean(String name) {
        return applicationContext.containsBean(name);
    }

    public static boolean isSingleton(String name) {
        return applicationContext.isSingleton(name);
    }

    public static Class<?> getType(String name) {
        return applicationContext.getType(name);
    }
}

